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Finding the Fourth Proportional to 274,964.96, 379,417.92 and 167,495.96

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Solution

The fourth proportional to 274,964.96, 379,417.92 and 167,495.96 is: 231,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,964.96 : 379,417.92 = 167,495.96 : x
  2. Step 2: Convert to fraction form
    274,964.96/379,417.92 = 167,495.96/x
  3. Step 3: Cross multiply
    274,964.96x = 379,417.92 × 167,495.96
  4. Step 4: Simplify right side
    274,964.96x = 63,550,968,751.60
  5. Step 5: Solve for x
    x = 63,550,968,751.60/274,964.96
  6. Step 6: Final answer
    x = 231,123.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.